Problem: When water is added to a 0.50 m solution of glucose, which of the following will take place?I. the fp will decreaseII. the bp will decreaseIII. the vapor pressure will decreasea. I and IIb. I and IIIc. II and IIId. I onlye. II only

FREE Expert Solution

We're being asked what would happen when water is added to a 0.50 m solution of glucose.


Let's analyze each given statement:


I. the fp will decrease


Recall that the freezing point of a solution is given by: 


ΔTf=Tf, pure solvent-Tf, solution


The change in freezing point is also related to the molality of the solution:

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Problem Details

When water is added to a 0.50 m solution of glucose, which of the following will take place?

I. the fp will decrease

II. the bp will decrease

III. the vapor pressure will decrease

a. I and II
b. I and III
c. II and III
d. I only
e. II only